(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA PRODUCAO DE OXIDO DE MAGNESIO REFRATARIO ANIDRO

Em AnáliseInvention Patent

Application data

Number

PI8009125

Type

Invention Patent

Filing

12/29/1980

Publication

12/14/1982

Progress at the INPI

  1. Filing12/29/80
  2. Publication12/14/82
  3. Abandoned10/02/84
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 07/09/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

A. R. (pessoa física)

R. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

10/02/1984

RPI 728

Notificação de entrada na fase nacional - PCT

#1.3

12/14/1982

RPI 634

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.